A note on the periodic orbits of a kind of Duffing equations

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摘要

We study the periodic orbits of the modified Duffing differential equation y¨+ay-εy3=εh(y,y˙) with a>0,ε a small parameter and h a C2 function in its variables.

论文关键词：Periodic orbit,Duffing differential equation,Averaging theory

论文评审过程：Available online 7 March 2013.

论文官网地址：https://doi.org/10.1016/j.amc.2012.11.087